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Release Notes

Yocto mx8mm-yocto-kirkstone-5.15-2.0.x-v1.4

Release Notes

Based on release Yocto: Poky 4.0, BSP: FSLC 4.0, Linux: lf-5.15.y
Release tag mx8mm-yocto-kirkstone-5.15-2.0.x-v1.4
Release manifest kirkstone-5.15.xml
Date 08/20/2026
Supported platforms - DART-MX8M-MINI
- VAR-SOM-MX8M-MINI
SOM revision - DART-MX8M-MINI: v1.1 and higher
- VAR-SOM-MX8M-MINI: v1.1 and higher
File System build system Yocto Kirkstone
Recovery SD card link mx8mm__yocto-kirkstone-5.15-2.0.x-v1.4.img.zst
Recovery SD card SHA256 07ff267ad57665f4589c44a731b9d8fc54ca034b2bb3f21bcf298a07c9dae02a
Cortex M4 U-Boot support MCUXPRESSO_2.12.1_V1.0_DART-MX8M-MINI
Cortex M4 Linux remoteproc support MCUXPRESSO_2.12.1_V1.0_DART-MX8M-MINI

Relevant git Repositories

Source Repository Branch Commit ID
U-Boot https://github.com/varigit/uboot-imx lf_v2022.04_var01 faa76d1c10ccdd584020881828449de884a0a533
Kernel https://github.com/varigit/linux-imx 5.15-2.0.x-imx_var01 591d4d8258a5d87c8aa8451dce444375d1d13514
meta-variscite-bsp https://github.com/varigit/meta-variscite-bsp kirkstone a37d20831bd6731da62981a6aa555f2588ae86e7
meta-variscite-sdk https://github.com/varigit/meta-variscite-sdk kirkstone 09306fdabaee3bf47bb12cf8fcdf13ae9daf07ae

After downloading the image, visit our Recovery SD card guide to learn how to program a recovery SD card.

Change Log

Change List Description
Release 1.4
Major updates
imx8mm_var_dart: Ethernet PHY fixes for SOM rev 3.0 and SPL Initialize Ethernet PHY in SPL, fix PHY power sequencing, and correct regulator polarity for SOM rev 3.0
WiFi firmware upgrade Updated BT/Wi-Fi firmware for bcm43xx to 12.29.0.22.
U-Boot Updates Click here for a full detailed change list.
Kernel Updates Click here for a full detailed change list.
meta-variscite-bsp updates
linux-variscite: Update to latest Included by kirkstone-5.15: meta-variscite-bsp: Update to latest
Add support for DART-MX8M-MINI V2.0, DART-MX8M-MINI V3.0 and VAR-SOM-MX8M-MINI V2.0
arch: arm64: imx8mm-var-dart: adjust to support DART-MX8M-MINI 3.x
imx8mm-var-dart: Add nxpiw612-sdio to MACHINE_FEATURES
meta-variscite-sdk updates
pseudo: import of version from OE-Core kirkstone Included by kirkstone-5.15: meta-variscite-sdk: Update to latest
fsl-image-gui: Remove nodejs from image
Release 1.3
Yocto updates
meta-variscite-bsp updates
kernel: various updates and fixes
meta-variscite-sdk updates
fsl-image-gui-chromium: launch Chromium as non-root user to avoid warning
Known Issues
Problem rendering videos using SoMs with 4GB of RAM Fixed by https://github.com/varigit/uboot-imx/commit/9a1f574209ef
Release 1.2 Added Chromium with hardware accelerated graphics / GPU support
Yocto updates
meta-variscite-bsp updates
conf: variscite: add variscite-mirrors for codeaurora
conf: variscite: add variscite-mirrors for https
jailhouse: migrate source from codeaurora to github
meta-variscite-sdk updates
fsl-image-gui-chromium, weston-init: add launcher for Chromium in weston.ini
images: Add new fsl-image-gui-chromium image recipe
var-mii: introduce recipe
Release 1.1
Kernel updates
net: mdio: manage deassert time when controlling MDIO reset signal
net: fec: manage corner deferred probe condition
net: mdio: force deassert MDIO reset signal
imx8: imx8m: variscite: fix the machine compatible strings
arm64: imx8_var_defconfig: change usb ehci and ohci drivers to loadable
Yocto updates
meta-variscite-bsp updates
linux-firmware: bc43xx: add symbolic link to firmware for each model
linux-firmware: bc43xx: add symbolic link to firmware for each machine
Revert "variscite-wifi.service: Disable service stop"
linux-firmware: Update BT/Wi-Fi firmware for bc43xx to 10.54.0.13"
Release 1.0
Initial Yocto Kirkstone release Based on FSLC 5.15-2.0.x-imx (kernel 5.15.60) which is based on NXP lf-5.15.32-2.0.0 and merged with Linux Stable 5.15.60
Known Issues
DNS does not work after disabling dnsmasq and configuring NetworkManager DNS Fixed by dnsmasq: enable dbus packageconfig